Home / 30,923.07-42,678.42-19,593.62

Finding the Fourth Proportional to 30,923.07, 42,678.42 and 19,593.62

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Solution

The fourth proportional to 30,923.07, 42,678.42 and 19,593.62 is: 27,042.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,923.07 : 42,678.42 = 19,593.62 : x
  2. Step 2: Convert to fraction form
    30,923.07/42,678.42 = 19,593.62/x
  3. Step 3: Cross multiply
    30,923.07x = 42,678.42 × 19,593.62
  4. Step 4: Simplify right side
    30,923.07x = 836,225,022.24
  5. Step 5: Solve for x
    x = 836,225,022.24/30,923.07
  6. Step 6: Final answer
    x = 27,042.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.